Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 36° 90° 42° 45° 36° 90° 42° 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Fast acting governing system Dynamic breaking All of these Fast acting excitation control Fast acting governing system Dynamic breaking All of these Fast acting excitation control ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 400 MW 386 MW 478 MW 456 MW 400 MW 386 MW 478 MW 456 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 85% 11.8% 88.2% 15% 85% 11.8% 88.2% 15% ANSWER DOWNLOAD EXAMIANS APP
Power Systems String chart is drawn between nether 1 nor 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis T on Y-axis and S and T on on X-axis both 1 and 2 nether 1 nor 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis T on Y-axis and S and T on on X-axis both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The internal flux linkage due to internal flux of a conductor is All of these I/4*10-7 wb-T/m I/6*10-7 wb-T/m I/2*10-7 wb-T/m All of these I/4*10-7 wb-T/m I/6*10-7 wb-T/m I/2*10-7 wb-T/m ANSWER DOWNLOAD EXAMIANS APP
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